
.normal {
  display: flex;
  display: -webkit-flex; /* Safari */
  flex-direction: row;
  justify-content: center;
}

.sider {
  /*min-height: 600px;*/
  /*background-color: beige;*/
  flex: 0 1 200px;
}

.content {
  /*background-color: aqua;*/
  flex: 1 1 auto;
}

.hidden {
  display: none;
}

